The substance that disrupts the Earth's geochemical process is called a pollutant. Pollutants can be natural or man-made and can harm the health of living organisms.
Nitrogen.
This gas is nitrogen.
lava
why scientists use models to represent earths process
Water
You're thinking of magma.
Mining?
Geology and or Geography.
When i fart it causes pollution and my fart is so big it disrupts the atmosphere causing polar shifts...
mining ;)
erosion
Water cycle